At the same time, it also solves the problem of variety of copper pipe's taper and internal diameter size in method which shapes at first and plates later.

同时也解决了先成型后电镀易发生铜管的锥度、内径尺寸等有变化的问题。

youdao

At the same time, it also solves the problem of variety of copper pipe's taper and internal diameter size in method which shapes at first and plates later.

同时也解决了先成型后电镀易发生铜管的锥度、内径尺寸等有变化的问题。

youdao